Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Mansour Zabihzadeh"'
Autor:
Morteza Hashemizadeh, Nasim Shams, Mansour Zabihzadeh, Masoud Jamali, Zeinab Sedaghat, Omid Azadbakht
Publikováno v:
Frontiers in Biomedical Technologies, Vol 11, Iss 4 (2024)
Purpose: The presence of a dental implant across the irradiation beam has the potential to perturb the dose distribution. In this study, the effect of different commercial dental implants on dose distribution was investigated in electron beam therapy
Externí odkaz:
https://doaj.org/article/80569f1669384d15a02e7c2da166a251
Publikováno v:
Frontiers in Biomedical Technologies, Vol 11, Iss 4 (2024)
Purpose: The impact of various hip prosthesis materials on the amount of dose perturbation generated by 9 MeV electron and 18 MV photon beams during pelvic radiation therapy is analyzed in this research. Materials and Methods: The Varian 2100 C/D
Externí odkaz:
https://doaj.org/article/155d3000ae744dcbacbe13de1c3832ea
Publikováno v:
Maxillofacial Plastic and Reconstructive Surgery, Vol 44, Iss 1, Pp 1-10 (2022)
Abstract Background Nasal septum deviation (NSD) can cause serious anatomical and clinical complications. It can change the breathing pattern and thus alter the anatomy of the airway structures. Despite its importance, the association between NSD wit
Externí odkaz:
https://doaj.org/article/53a065649b724e0baa4616a92fa2fcad
Autor:
Mansour Zabihzadeh, Azizollah Rahimi, Hodjatollah Shahbazian, Sasan Razmjoo, Seyyed Rabie Mahdavi
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 11, Iss 4, Pp 483-496 (2021)
Background: It is recommended for each set of radiation data and algorithm that subtle deliberation is done regarding dose calculation accuracy. Knowing the errors in dose calculation for each treatment plan will result in an accurate estimate of the
Externí odkaz:
https://doaj.org/article/a4dea7d5ad7d40cf84751e1503ff342c
Publikováno v:
Journal of Medical Signals and Sensors, Vol 11, Iss 1, Pp 45-51 (2021)
Background: High-radiation therapeutic gain could be achieved by the modern technique of microbeam radiation treatment (MRT). The aim of this study was to investigate the dosimetric properties of MRT. Methods: The EGSnrc Monte Carlo (MC) code system
Externí odkaz:
https://doaj.org/article/1f992b6ba59742ffa9db93cc57144fca
Autor:
Mansour Zabihzadeh, Farnaz Rahimli, Mohammad Ali Behrooz, Amir Danyaei, Hodjatollah Shahbazian
Publikováno v:
Iranian Journal of Medical Physics, Vol 18, Iss 1, Pp 63-69 (2021)
Introduction: It is well known that neutrons are more effective treatments than photons to treat hypoxic tumors due to the interaction with the nucleus and the production of heavy particles. This study aimed to evaluate the suitability of Boron neutr
Externí odkaz:
https://doaj.org/article/b73bbb7fa32e4845a9d9f8584ac23026
Autor:
mansour zabihzadeh, Mahbube Fadaei, Seyed Mohammad Hoseini, Sholeh Arvandi, Mohamad Tahmasebi, Mojtaba Hoseini-Ghahfarokhi
Publikováno v:
Iranian Journal of Medical Physics, Vol 17, Iss 3, Pp 213-219 (2020)
Introduction: Physical wedge by modify photon beam shape and intensity has been utilized in radiotherapy to obtain uniformly dose distribution in tumor site with reduced hot spots. Calculation of dosimetric parameters for both symmetric and asymmetri
Externí odkaz:
https://doaj.org/article/64bb3b9417ab40c2913e21385a1fad24
Autor:
Mansour Zabihzadeh, Zahra Farzanegan, Mohamad Momen gharibvand, Azim Motamedfar, Mozafar Naserpour
Publikováno v:
مجله دانشکده پزشکی اصفهان, Vol 36, Iss 502, Pp 1314-1320 (2019)
Background: The aim of this study was to evaluate the spatial distribution of the liver fat with in-phase and out-of-phase gradient echo imaging technique in patients with nonalcoholic fatty liver disease (NAFLD). Methods: This cross-sectional prosp
Externí odkaz:
https://doaj.org/article/0d5aed66127d493384e04536802d90f2
Autor:
Mansour Zabihzadeh, Mojtaba Hoseini-Ghahfarokhi, Vahid Bayati, Ali Teimoori, Zahra Ramezani, Mohamad-Ali Assarehzadehgan, Morteza Pishghadam
Publikováno v:
Nanomedicine Journal, Vol 5, Iss 2, Pp 111-120 (2018)
Objective(s): Taking advantage of high atomic number of gold nanoparticles (GNPs) in radiation dose absorbing, many in vitro and in vivo studies have been carried out on using them as radio-sensitizer. In spite of noticeable dose enhancement by GNPs
Externí odkaz:
https://doaj.org/article/52adcdedb84b44ee94fa5e01209620e1
Autor:
Mansour Zabihzadeh, Mohammad Momen Gharibvand, Azim Motamedfar, Morteza Tahmasebi, Amir Hossein Sina, Kavous Bahrami, Mozafar Naserpour
Publikováno v:
Journal of Medical Signals and Sensors, Vol 8, Iss 4, Pp 244-252 (2018)
Background: Noninvasive quantification of liver fat by gradient echo (GRE) technique is an interesting issue in quantitative magnetic resonance imaging. In this study, the fat content in patients with nonalcoholic fatty liver disease (NAFLD) was quan
Externí odkaz:
https://doaj.org/article/1c56b75fb07d402d8b933e83c9cd1004